Intuitive Surgical, Inc. (NASDAQ: ISRG)

Intuitive Surgical, Inc. designs, manufactures, and markets da Vinci surgical systems for various surgical procedures, including urologic, gynecologic, cardiothoracic, general, and head and neck surgeries. Its da Vinci surgical system consists of a surgeon's console or consoles, a patient-side cart, a 3-D vision system, Firefly fluorescence imaging product, da Vinci skills simulator, and proprietary wristed' instruments. The company's da Vinci surgical system translates the surgeon's natural hand movements on instrument controls at the console into corresponding micro-movements of instruments positioned inside the patient through small puncture incisions, or ports.

It also manufactures EndoWrist instruments consisting of forceps, scissors, electrocautery, scalpels, and other surgical tools, which incorporate wrist joints for natural dexterity for various surgical procedures. In addition, the company offers da Vinci single-site instruments and accessories that allow da Vinci Si surgical systems to work through a single incision than multiple incisions. Further, it sells various vision and accessory products for use in conjunction with the da Vinci surgical system as surgical procedures are performed. It markets its products through sales representatives in the United States, and through sales representatives and distributors in international markets.

To analyze Intuitive's stock for potential trading opportunities, please take a look at the 1-year chart of ISRG (Intuitive Surgical, Inc.) below with my added notations:

ISRG has (2) key levels to watch. The first is the very common level of $520 (red). You can see how the $520 has been support, then resistance, and now support again here recently. The other level ISRG has formed is a nice trend line of support (blue). Always remember that any (2) points can start a trend line, but it's the 3rd test and beyond that confirm its importance. Obviously ISRG's trend line is important to the stock since it has been tested on multiple occasions.